Trimox Active ingredient: amoxicillin $0.34 for pill Trimox is used to treat many different types of infections caused by bacteria, such as ear infections, bladder infections, pneumonia, gonorrhea, and E. coli or salmonella infection. Trimox is also sometimes used together with another antibiotic called clarithromycin (Biaxin) to treat stomach ulcers caused by Helicobacter pylori infection. Bactrim Active ingredient: sulfamethoxazole, trimethoprim $0.34 for pill Bactrim is a synthetic antibacterial product used to treat ear infections, acute exacerbations of chronic bronchitis, urinary tract infections.

Augmentin Active ingredient: amoxicillin, clavulanate $0.99 for pill Augmentin is indicated to treat bacterial infections of lower respiratory tract, otitis media, sinusitis skin infections and urinary tract infections.